Emerelle, elfen queen

Indestructable, vigilance
You may look at the top card of your library at
any time.
{t}: Look at the top card of target players library.
{2}: Target player shuffeks his library.
{2}: Target player reveals the top card of his
library. If it is a land card, create a treasure. If it
isn't a permanent card, investigate. If it is a
nonland permanent card, create a 1/2 elf, knight
token, that has the revealed spell's colour.